From bc8ea657035accaf6d86d5b736f3d5540e8276df Mon Sep 17 00:00:00 2001
From: stubbiali <subbiali@phys.ethz.ch>
Date: Mon, 18 May 2026 08:31:21 +0200
Subject: [PATCH] Identify CrayClang as Clang

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ec0085c2..cc372009f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ mark_as_advanced(CMAKE_EXPORT_NO_PACKAGE_REGISTRY)
 
 # User setting GT_CLANG_CUDA_MODE: decide if Clang-CUDA, NVCC or HIP
 # TODO(havogt): rename variable to GT_CLANG_MODE in backwards compatible way
-if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "CrayClang")
     set(GT_CLANG_CUDA_MODE "AUTO" CACHE STRING
         "AUTO, Clang-CUDA, NVCC-CUDA or HIP; \
 AUTO = Use NVCC if language CUDA is enabled, else prefer Clang-CUDA, else prefer HIP.")